Cost-benefit of zero net energy and renewables. ZNE certified and emerging projects increased by 74% in 2016, Santa Clara adds to code, documents cost-benefit

Originally published at ilsr.org by ILSR summer intern Matthew Douglas-May. As energy efficiency and renewable energy technologies continue to improve both functionally and economically, Zero Net Energy (ZNE) buildings are spreading in communities around the country. The energy savings and environmental benefits of ZNE buildings, which produce as much energy using on-site renewables as they consume, are catching the attention of city …

New US Renewable Energy Capacity Beats Natural Gas For Fourth Year Running, Renewables Now Account For Over 20%

February 7th, 2018 by Joshua S Hill Clean Technica  For the fourth year in a row, new US electricity capacity from renewable energy sources surpassed those from natural gas, and accounted for half of all new capacity additions, according to recent figures published by the country’s Federal Energy Regulatory Commission. New electricity capacity from renewable energy sources — including biomass, geothermal, hydropower, solar, …

Little EV power from coal. 28–42% of electric car drivers in the US and Europe have home solar power, and most of the rest of the electricity to run EVs is from natural gas

Electric Cars Mostly Run On Electricity From Renewable Energy Or Natural Gas February 6th, 2018 by Jake Richardson on Clean Technica This article is part of our “CleanTechnica Answer Box” collection. In this collection of articles, we respond to dozens of common anti-cleantech myths. Myth: electric vehicles mostly run on electricity generated from coal. Short answer: Actually, electric cars in the United States mostly run on …

The pace IRENA sees or aspires to for energy efficiency improvements: doubling the rate, but also ensuring universal access to modern energy services/renewables

Synergies between Renewable Energy and Energy Efficiency August 2015  Download A joint working paper from the International Renewable Energy Agency (IRENA) and the Copenhagen Centre on Energy Efficiency (C2E2) illuminates crucial synergies that can help to ensure a sustainable global energy future. The interplay between energy efficiency improvements and the deployment of renewable energy technologies is complex. If the respective potentials in …

RE100 electricity purchases going up: Corporations purchased a record 5.4 gigawatts of clean power in 2017 through PPAs

January 23rd, 2018 by Joshua S Hill on Clean Technica  Corporations around the world signed a record volume of Power Purchase Agreements in 2017, amounting to 5.4 gigawatts of clean energy by 43 companies across 10 different countries, which is an impressive 25% increase over 2016. A new comprehensive analysis of corporate clean energy procurement published this week by Bloomberg New Energy Finance (BNEF) found …

Scientists Are Making Carbon Fiber From Plants Instead of Petroleum

By Nexus Media Jan. 11, 2018 Carbon fiber is the Superman of materials. Five times stronger than steel and a fraction of the weight, it is used in everything from tennis rackets to golf clubs to bicycles to wind turbine blades to passenger airplanes to Formula One race cars. There’s just one catch: Carbon fiber is made from oil and other costly ingredients, making the end product exceptionally expensive. That’s why carbon fiber …